/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.integration;

import org.apache.iotdb.integration.env.EnvFactory;
import org.apache.iotdb.itbase.category.ClusterTest;
import org.apache.iotdb.itbase.category.LocalStandaloneTest;
import org.apache.iotdb.itbase.category.RemoteTest;
import org.apache.iotdb.jdbc.IoTDBSQLException;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import java.sql.Connection;
import java.sql.Statement;

import static org.junit.Assert.fail;

@Category({LocalStandaloneTest.class, ClusterTest.class, RemoteTest.class})
public class IoTDBKillQueryIT {

    @Before
    public void setUp() throws Exception {
        EnvFactory.getEnv().initBeforeClass();
    }

    @After
    public void tearDown() throws Exception {
        EnvFactory.getEnv().cleanAfterClass();
    }

    /**
     * Test killing query with specified query id which is not exist.
     */
    @Test
    public void killQueryTest1() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            statement.execute("kill query 998");
            fail("QueryIdNotExistException is not thrown");
        } catch (IoTDBSQLException e) {
            Assert.assertTrue(e.getMessage().contains("Query Id 998 is not exist"));
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    /**
     * Test killing query without explicit query id. It's supposed to run successfully.
     */
    @Test
    public void killQueryTest2() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            boolean hasResultSet = statement.execute("kill query");
            Assert.assertEquals(false, hasResultSet);
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }
}
